Guest Stars Yoon Joo Sang as Oh Hyun Kyu Lee Jung Gil as Jo Myung Ho Baek Sung Hyun as Kang Byung Jin David McInnis as Ray Kim Il Woo as Kang Chul Hwan Cha Hyun Jung as Yoo Hae Young Kim Ji Min as Jamie Yoon Joo Hee as Lee Soo Jin Jo Sung Ha as Ha Seung Jin Kim So Hyun as Young Soo Yun Park Gun Tae as Young Yoo Gun Sung Dong Il as Park Joon Han Joo Jin Mo as Ha Jae Yong Park Sang Wook as Chinese Dealer of Firearm Transactions